Atmel (8051 Family)
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87F51
8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 2
Timers/Counters, 6 Interrupts sources 4 K QuickFlash Memory, 128 Bytes On-chip RAM
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87F51RC
8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 3
Timers/Counters, 8 Interrupts sources, Watchdog Timer, 2 DPTRs Power-Off Flag32 K
QuickFlash Memory, 512 Bytes On-chip RAM
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87F52
8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 3
Timers/Counters, 8 Interrupts sources 8 K QuickFlash Memory, 256 Bytes On-chip RAM
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89C1051
8051 based Full Static CMOS contoller with Two-Level Program Memory Lock 15 I/O lines, 1
Timers/Counters, 3 Interrupts sources 1 K Flash Memory, 64 Bytes On-chip RAM
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89C1051U
8051 based Full Static CMOS contoller with Two-Level Program Memory Lock 15 I/O lines, 2
Timers/Counters, 6 Interrupts sources UART, Direct LED Drive Outputs, On-Chip Analog
Comparator 1 K Flash Memory, 64 Bytes On-chip RAM
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89C2051
8051 based Full Static CMOS contoller with Two-Level Program Memory Lock 15 I/O lines, 2
Timers/Counters, 6 Interrupts sources 2 K Flash Memory, 128 Bytes On-chip RAM
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89C51
8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 2
Timers/Counters, 6 Interrupts sources 4 K Flash Memory, 128 Bytes On-chip RAM
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89C52
8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 3
Timers/Counters, 8 Interrupts sources 8 K Flash Memory, 256 Bytes On-chip RAM
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89C55
8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 3
Timers/Counters, 8 Interrupts sources 20 K Flash Memory, 256 Bytes On-chip RAM
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89F51
8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 2
Timers/Counters, 6 Interrupts sources 4 K QuickFlash Memory, 128 Bytes On-chip RAM
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89F52
8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 3
Timers/Counters, 8 Interrupts sources 8 K QuickFlash Memory, 256 Bytes On-chip RAM
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89LS53
8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 3
Timers/Counters, 9 Interrupts sources, SPI Serial Interface Programmable Watchdog Timer, 2
DPTR 12 K Flash Memory, 256 Bytes On-chip RAM
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89LS8252
8051 based Full Static CMOS contoller with SPI, WDT, 2 DPTRs, 3-Level Program Memory Lock,
32 I/O lines, 2 Timers/Counters, 9 Interrupts sources, SPI Serial Interface Programmable
Watchdog Timer, Power Off Flag 8 K Flash Memory, 2 K EEPROM, 256 Bytes On-chip RAM
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89LV51
8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 2
Timers/Counters, 6 Interrupts sources 4 K Flash Memory, 128 Bytes On-chip RAM
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89LV52
8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 2
Timers/Counters, 6 Interrupts sources 4 K Flash Memory, 256 Bytes On-chip RAM
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89LV55
8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 2
Timers/Counters, 6 Interrupts sources 4 K Flash Memory, 256 Bytes On-chip RAM
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89S4D12
8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 5 I/O lines, 3
Timers/Counters, 8 Interrupts sources, SPI Interface, 2 DPTRs Serial Program Downloading
132 K Flash Memory, 256 Bytes On-chip RAM
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89S53
8051 based Full Static CMOS contoller with SPI, WDT, 2 DPTRs, Three-Level Program Memory
Lock 32 I/O lines, 3 Timers/Counters, 9 Interrupts sources 12 K Flash Memory, 256 Bytes
On-chip RAM
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89S8252
8051 based Full Static CMOS contoller with SPI, WDT, 2 DPTRs, 3-Level Program Memory Lock,
32 I/O lines, 2 Timers/Counters, 9 Interrupts sources 8 K Flash Memory, 2 K EEPROM, 256
Bytes On-chip RAM
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